"Dry" mode on air conditioner?

I have a Payne mini split air conditioner and it has a Cool, Fan and Dry mode. I know what Cool and Fan mode do but what does Dry mode do? I've read everywhere that it dehumidifies the air but isn't the air conditioner supposed to be doing that when in cool mode? The odd thing is that when in Dry mode the... show more I have a Payne mini split air conditioner and it has a Cool, Fan and Dry mode. I know what Cool and Fan mode do but what does Dry mode do? I've read everywhere that it dehumidifies the air but isn't the air conditioner supposed to be doing that when in cool mode? The odd thing is that when in Dry mode the air comes out FREEZING cold and always cools to the room to 68 degrees regardless of what i have the thermostat set to. What is this feature supposed to do? I've looked everywhere and I can't find an answer.
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